Today, one more time on my Macbook pro, I can not connect to a WiFi network even the right password has not been changed since I previously connected successfully. What to do and how to fix such this Wifi problem on your Mac computer?

Can not connect to Wifi with right password

New update: we had just published a better solutions that work on too many users to fix al most all Wifi problems, look at: Fix Wi-Fi connection problem in OS X El Capitan, Yosemite on MacBooks.

If you can not access to your WiFi network using right password on your Macbook Pro, Macbook Air or even iMac, just simply temporarily delete the affected WiFi Network Name from the list recorded in OS X then re-connect again.

1. Go to System Preferences > NetWork > Click on “Advanced…” button > Select the WiFi network in trouble > Click on (-) button to remove it from the Wifi list recorded

Delete Wifi network then reconnect to fix wifi problem on Macbook2. Go back to WiFi icon at the Left top bar, reconnect the WiFi network again with the same password, and I am pretty sure that your problem should be solved.

Wifi problem should be solvedOtherwise, you an attempt to fix the trouble by using the following command in Terminal: sudo ifconfig awdl0 down, read more…

In the new MacOS Sierra, you may find the same solution as this article.